Home / 9,216.44-12,719.67-5,238.53

Finding the Fourth Proportional to 9,216.44, 12,719.67 and 5,238.53

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Solution

The fourth proportional to 9,216.44, 12,719.67 and 5,238.53 is: 7,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.44 : 12,719.67 = 5,238.53 : x
  2. Step 2: Convert to fraction form
    9,216.44/12,719.67 = 5,238.53/x
  3. Step 3: Cross multiply
    9,216.44x = 12,719.67 × 5,238.53
  4. Step 4: Simplify right side
    9,216.44x = 66,632,372.89
  5. Step 5: Solve for x
    x = 66,632,372.89/9,216.44
  6. Step 6: Final answer
    x = 7,229.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.